* [265] Add file upload to allow mocking of file operations
* [265] Fix failing test
* Update code + add tests
* LocalFileSystemHandlerTests
* 1.0.13
* Fixed the file post to create the mapping folder if none exists to begin with, otherwise the file upload fails with 404 (can't find the folder to upload to).
* fix tests
* add more tests for LocalFileSystemHandler
* Added the head method for files to check if a file exists without returning it as a body.
* Add a test and fix the response message (head requires no body).
* Fix newline
* Fix newline.
* Fix the number of mapping tests
* Update tests and update client-interface-api
* Cleanup "MappingConverter.cs"
